This Top Drawer Black Velvet Steel Boned Lace-Up Bustier from Daisy Corsets is a luxurious corset made of high quality fabric. It features an underwire and lace-up detail in the front, a side zipper closure, 10 spiral steel boned with 4 static steel bones in the back, and a 100% cotton twill lining. It also has nickel brass grommets with laces at the back, and thick cording in the back for cinching. Hand wash only.